Which law is a frog leaping upward off his lily pad is pulled downward by gravity and lands on another lily pad instead of continuing in a straight line?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Which sections of the heating curve illustrate this process?